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<?php
namespace Drupal\Tests\Core\Utility;
use Drupal\Tests\UnitTestCase;
use Drupal\Core\Utility\Error;
/**
* @coversDefaultClass \Drupal\Core\Utility\Error
* @group Utility
*/
class ErrorTest extends UnitTestCase {
/**
* Tests the getLastCaller() method.
*
* @param array $backtrace
* The test backtrace array.
* @param array $expected
* The expected return array.
*
* @dataProvider providerTestGetLastCaller
*/
public function testGetLastCaller($backtrace, $expected) {
$this->assertSame($expected, Error::getLastCaller($backtrace));
}
/**
* Data provider for testGetLastCaller.
*
* @return array
* An array of parameter data.
*/
public function providerTestGetLastCaller() {
$data = [];
// Test with just one item. This should default to the function being
// main().
$single_item = [$this->createBacktraceItem()];
$data[] = [$single_item, $this->createBacktraceItem('main()')];
// Add a second item, without a class.
$two_items = $single_item;
$two_items[] = $this->createBacktraceItem('test_function_two');
$data[] = [$two_items, $this->createBacktraceItem('test_function_two()')];
// Add a second item, with a class.
$two_items = $single_item;
$two_items[] = $this->createBacktraceItem('test_function_two', 'TestClass');
$data[] = [$two_items, $this->createBacktraceItem('TestClass->test_function_two()')];
// Add blacklist functions to backtrace. They should get removed.
foreach (['debug', '_drupal_error_handler', '_drupal_exception_handler'] as $function) {
$two_items = $single_item;
// Push to the start of the backtrace.
array_unshift($two_items, $this->createBacktraceItem($function));
$data[] = [$single_item, $this->createBacktraceItem('main()')];
}
return $data;
}
/**
* Tests the formatBacktrace() method.
*
* @param array $backtrace
* The test backtrace array.
* @param array $expected
* The expected return array.
*
* @dataProvider providerTestFormatBacktrace
*/
public function testFormatBacktrace($backtrace, $expected) {
$this->assertSame($expected, Error::formatBacktrace($backtrace));
}
/**
* Data provider for testFormatBacktrace.
*
* @return array
*/
public function providerTestFormatBacktrace() {
$data = [];
// Test with no function, main should be in the backtrace.
$data[] = [[$this->createBacktraceItem(NULL, NULL)], "main() (Line: 10)\n"];
$base = [$this->createBacktraceItem()];
$data[] = [$base, "test_function() (Line: 10)\n"];
// Add a second item.
$second_item = $base;
$second_item[] = $this->createBacktraceItem('test_function_2');
$data[] = [$second_item, "test_function() (Line: 10)\ntest_function_2() (Line: 10)\n"];
// Add a second item, with a class.
$second_item_class = $base;
$second_item_class[] = $this->createBacktraceItem('test_function_2', 'TestClass');
$data[] = [$second_item_class, "test_function() (Line: 10)\nTestClass->test_function_2() (Line: 10)\n"];
// Add a second item, with a class.
$second_item_args = $base;
$second_item_args[] = $this->createBacktraceItem('test_function_2', NULL, ['string', 10, new \stdClass()]);
$data[] = [$second_item_args, "test_function() (Line: 10)\ntest_function_2('string', 10, Object) (Line: 10)\n"];
return $data;
}
/**
* Creates a mock backtrace item.
*
* @param string|null $function
* (optional) The function name to use in the backtrace item.
* @param string $class
* (optional) The class to use in the backtrace item.
* @param array $args
* (optional) An array of function arguments to add to the backtrace item.
* @param int $line
* (optional) The line where the function was called.
*
* @return array
* A backtrace array item.
*/
protected function createBacktraceItem($function = 'test_function', $class = NULL, array $args = [], $line = 10) {
$backtrace = [
'file' => 'test_file',
'line' => $line,
'function' => $function,
'args' => [],
];
if (isset($class)) {
$backtrace['class'] = $class;
$backtrace['type'] = '->';
}
if (!empty($args)) {
$backtrace['args'] = $args;
}
return $backtrace;
}
}